WO2015140981A1 - 二酸化炭素地上漏洩監視システム - Google Patents
二酸化炭素地上漏洩監視システム Download PDFInfo
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- WO2015140981A1 WO2015140981A1 PCT/JP2014/057713 JP2014057713W WO2015140981A1 WO 2015140981 A1 WO2015140981 A1 WO 2015140981A1 JP 2014057713 W JP2014057713 W JP 2014057713W WO 2015140981 A1 WO2015140981 A1 WO 2015140981A1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/004—Specially adapted to detect a particular component for CO, CO2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0006—Calibrating gas analysers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0073—Control unit therefor
- G01N33/0075—Control unit therefor for multiple spatially distributed sensors, e.g. for environmental monitoring
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/14—Toxic gas alarms
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Definitions
- the present invention is capable of detecting a high concentration of carbon dioxide on the earth's surface due to an emergency leak in facilities and areas that collect and store carbon dioxide emitted from thermal power plants, etc. This is related to a carbon dioxide ground leakage monitoring system.
- CCS Carbon Dioxide Capture and Storage
- a carbon dioxide concentration sensing device is embedded in a non-saturated zone below the ground surface of a site where carbon dioxide is stored underground, and the carbon dioxide concentration is measured.
- a normal signal or an abnormal signal is output by transmitting a communication device and comparing the transmitted carbon dioxide concentration with a reference carbon dioxide concentration for each time zone by a monitoring server.
- oil enhanced recovery method “EOR (Enhanced), which is a technology that injects gas and chemicals into the oil reservoir and mixes it with crude oil under high pressure, improves the fluidity of the crude oil in the oil reservoir, and facilitates the recovery of petroleum resources
- EOR Enhanced
- carbon dioxide may be used as an injection gas, and there is a possibility of carbon dioxide leaking on the ground.
- the present invention solves the above-described conventional problems, is inexpensive, can perform real-time multipoint monitoring over a wide range, and can provide easy-to-understand information to the public.
- a system is provided.
- a carbon dioxide ground leakage monitoring system of the present invention is a carbon dioxide ground leakage monitoring system having a plurality of monitoring posts, a field data server, and a management server, wherein the plurality of monitoring posts, The field data server and the field data server and the management server are each connected by a communication line, and the plurality of monitoring posts measure the concentration of carbon dioxide leaked from the ground and measure the measured carbon dioxide concentration.
- Carbon ground leakage data is transmitted to the field data server, the field data server transmits data transmitted from the plurality of monitoring posts to the management server, and the management server is transmitted from the field data server. Based on carbon dioxide ground leakage data , Characterized in that it exposes the carbon dioxide earth leakage information on the Internet.
- the communication line connecting the plurality of monitoring posts and the field data server is a mesh type wireless communication network having the plurality of monitoring posts as nodes.
- the plurality of monitoring posts measure the concentration of carbon dioxide leaked from the ground by interval operation.
- the plurality of monitoring posts monitor the remaining amount of the installed battery, and change the interval operation period according to the remaining amount of the battery.
- the field data server instructs the plurality of monitoring posts to change the interval operation cycle.
- the carbon dioxide concentration measuring units of the plurality of monitoring posts are configured by a residence chamber, a carbon dioxide concentration measurement sensor, and a protective cover, and the residence chamber has a cylindrical upper and lower open structure.
- the carbon dioxide concentration measuring sensor is disposed in the residence chamber, and the protective cover covers the periphery of the residence chamber. It is installed, and a vent is provided in the upper part.
- the field data server instructs the plurality of monitoring posts to calibrate the carbon dioxide concentration measuring sensor.
- the carbon dioxide ground leakage monitoring system of the present invention includes a plurality of monitoring posts, a field data server, and a management server, and between the plurality of monitoring posts and the field data server and between the field data server and the management server. Are connected by a communication line. Then, the carbon dioxide concentration leaked from the ground is measured by a plurality of monitoring posts, the measured carbon dioxide ground leakage data is transmitted to the field data server, and the data transmitted from the plurality of monitoring posts by the field data server is sent to the management server. It is supposed to send. Therefore, by arranging a plurality of monitoring posts in the CCS site, real-time multipoint monitoring in a wide range is possible. Further, based on the carbon dioxide ground leakage data transmitted from the field data server by the management server, the carbon dioxide ground leakage information is disclosed on the Internet. Therefore, it is possible to provide publicly easy-to-understand information.
- the communication line connecting the plurality of monitoring posts and the field data server is used to reduce transmission power using short-range wireless transmission. Operation that is suppressed can be performed.
- a plurality of monitoring posts can measure the concentration of carbon dioxide leaked from the ground by interval operation, thereby enabling operation with reduced power consumption.
- a plurality of monitoring posts can monitor the remaining amount of the installed battery and change the interval operation cycle according to the remaining amount of the battery, so that stable operation can be performed in the long term.
- the field data server can perform an operation with reduced power consumption by instructing a plurality of monitoring posts to change the interval operation interval.
- the carbon dioxide concentration measuring units of the plurality of monitoring posts are composed of a residence chamber, a carbon dioxide concentration measuring sensor, and a protective cover.
- the residence chamber has a cylindrical upper and lower open structure, and the lower open portion is installed so as to be in close contact with the soil, and the carbon dioxide concentration measuring sensor is disposed in the residence chamber.
- the concentration of carbon dioxide retained in the residence chamber can be measured by a carbon dioxide concentration measurement sensor.
- the protective cover is installed so as to cover the periphery of the residence chamber and the upper part is provided with a vent, the carbon dioxide concentration in the residence chamber is not easily affected by wind, rain, snow, etc.
- the carbon dioxide can be appropriately discharged through the carbon dioxide so that the carbon dioxide does not accumulate in the residence chamber.
- the field data server can perform more accurate measurement by instructing the calibration of the carbon dioxide concentration measurement sensor to a plurality of monitoring posts.
- FIG. 1 is a configuration diagram of a carbon dioxide ground leakage monitoring system according to an embodiment of the present invention. It is a block diagram of a monitoring post. It is a block diagram of a field data server.
- the carbon dioxide ground leakage monitoring system includes a plurality of monitoring posts 100, a field data server 200, and a management server 300.
- the plurality of monitoring posts 100 and the field data server 200 are arranged in the CCS site 2.
- the monitoring post 100 has a function of measuring the carbon dioxide concentration at the place where it is arranged and transmitting the measured data to the field data server 200.
- a large number of monitoring posts 100 are arranged in areas along a transportation pipeline from a thermal power plant or the like or areas having a carbon dioxide reservoir in the ground. In particular, it should be placed in a highly leaky range (near the transport pipeline, around the injection well, etc.).
- the field data server 200 has a function of collecting data from a plurality of monitoring posts 100 and transmitting the collected data to the management server 300.
- the field data server 200 is arranged at a local office in the CCS site.
- the management server 300 is responsible for the function of publishing the carbon dioxide ground leakage information on the Internet based on the carbon dioxide ground leakage data transmitted from the field data server 200.
- the management server 300 is disposed at the head office of a CCS operator.
- the plurality of monitoring posts 100 and the field data server 200 and the field data server 200 and the management server 300 are connected by communication lines.
- the communication line connecting the plurality of monitoring posts 100 and the field data server 200 is a mesh type wireless communication network having the plurality of monitoring posts 100 as nodes. And it is preferable to perform the operation
- the field data server 200 and the management server 300 are connected via the Internet.
- the field data server 200 and the management server 300 are each connected to the Internet 1.
- the field data server 200 and the management server 300 may be connected by a dedicated line or the like.
- reference numerals 3, 4, and 5 indicate terminals that can be connected to the Internet, respectively, and the carbon dioxide ground leakage information published by the management server 300 can be browsed via the Internet.
- users of the terminals 3, 4, and 5 public, third party organizations, CCS operators, and the like are assumed.
- the monitoring post 100 includes an electrical component 110 and a measurement unit 120.
- the electrical unit 110 manages the power supply of the entire monitoring post 100, collects data measured by the measurement unit 120, and transmits it to the field data server 200.
- the measurement unit 120 is installed in the soil 400 at the measurement point and measures the concentration of carbon dioxide leaking from the soil 400.
- the electrical unit 110 and the measurement unit 120 may be cable-connected as separate structures or may be integrated.
- the electrical unit 110 is provided with a solar cell 111, a power control circuit 112 that manages power supply, and a battery 113.
- the power control circuit 112 controls the power supplied from the solar cell 111 and the battery 113 and manages the power supply of the entire monitoring post 100.
- the electrical unit 110 is provided with a wireless circuit 114, a wireless interface circuit 115, and a data collection circuit 116.
- the radio circuit 114 transmits / receives data to / from the field data server 200.
- the measurement data collected by the data collection circuit 116 is transmitted from the wireless circuit 114 via the wireless interface circuit 115.
- the measurement unit 120 includes a residence chamber 130, a carbon dioxide concentration measurement sensor 140, and a protective cover 150.
- the retention chamber 130 is for retaining carbon dioxide leaked from the soil 400, and has a cylindrical upper and lower open structure, and is installed with the lower open portion in close contact with the soil 400.
- a carbon dioxide concentration measurement sensor 140 is disposed inside the residence chamber 130. Power supply to the carbon dioxide concentration measurement sensor 140 is performed from the electrical component 110. In addition to the carbon dioxide concentration measurement sensor 140, a sensor for measuring temperature and humidity may be provided in the residence chamber 130.
- the residence chamber 130 is installed for the purpose of slowing down (delaying) the behavior of the carbon dioxide concentration by securing a flow path when carbon dioxide diffuses from the soil into the air and suppressing diffusion due to convection. Is.
- the protective cover 150 includes a cylindrical main body 151 having a vertically open structure, a cap 152 that covers the upper portion of the main body 151, and a windproof material 153 provided on the upper open portion of the main body 151.
- the main body 151 has a cylindrical shape larger than the staying chamber 130, and is installed outside the staying chamber 130 with the lower open portion in close contact with the soil 400.
- a vent 154 is formed between the upper portion of the main body 151 and the shade portion 152.
- the protective cover 150 is installed so as to cover the periphery of the staying chamber 130, and the vent hole 154 is provided in the upper part.
- the protective cover 150 can make the carbon dioxide concentration in the stay chamber 130 less susceptible to the influence of wind, rain, snow, and the like.
- the windproof material 153 is provided so that the carbon dioxide staying in the staying chamber 130 is not affected by the wind from the outside.
- porous urethane foam or the like may be used.
- the windproof structure is not limited to the above, and any structure that can easily diffuse air from the inside while resisting wind by providing a complicated flow path structure or the like may be used.
- the carbon dioxide leaked from the soil 400 stays in the stay chamber 130, passes through the windproof material 153 from the upper part of the protective cover 150, and is discharged to the outside through the vent hole 154.
- the measuring unit 120 in this embodiment is not provided with a pump, a movable mechanism, etc., the risk of failure is reduced, maintenance is easy, and stable and continuous measurement is possible.
- the function of the electrical component 110 is realized by a low power consumption microcomputer and a short-range wireless module used in the HEMS / BEMS field.
- the carbon dioxide concentration measuring sensor 140 is preferably an NDIR system with low power consumption. Thereby, data collection and wireless transmission can be performed with power consumption of about several milliwatts.
- the monitoring post 100 may measure the concentration of carbon dioxide leaked from the ground by interval operation.
- the power consumption can be further suppressed by performing the interval operation (operation in which power ON ⁇ operation ⁇ power OFF is automatically repeated) for the short-range wireless module and the carbon dioxide concentration measurement sensor 140.
- the remaining battery level may be monitored, and the interval operation cycle may be changed according to the remaining battery level. Thereby, long-term stable operation is possible.
- the interval operation of the carbon dioxide concentration measuring sensor 140 has a problem that the measurement of the carbon dioxide concentration becomes impossible at regular intervals.
- the behavior of the carbon dioxide concentration is caused by retaining the leaked carbon dioxide in the residence chamber 130. Can be solved by blunting (delaying).
- the monitoring post 100 is wirelessly connected and is not embedded in the ground, so it is relatively easy to move or add.
- a field data server 200 a data batch collection device 201, and a wireless circuit 202 are included.
- the data batch collection device 201 is constituted by a CPU (built-in PC or the like) for collecting data of each monitoring post 100.
- the wireless circuit 202 is for performing wireless communication with each monitoring post 100 and is preferably realized by a short-range wireless module used in the HEMS / BEMS field.
- the field data server 200 functions as a sink node in a mesh type wireless communication network having a plurality of monitoring posts 100 as nodes, and data (carbon dioxide concentration, temperature, humidity, battery remaining) of the connected plurality of monitoring posts 100. Amount, photovoltaic power generation, radio wave intensity, etc.) are collected by wireless communication.
- the field data server 200 may be able to make an instruction to change the cycle of the interval operation, call up internal data, or the like by remote control to a plurality of connected monitoring posts 100. Since operations such as setting changes can be collectively performed by remote operation, even if the monitoring posts 100 are installed at a large number of points in a wide range, an enormous amount of work at the site does not occur.
- the field data server 200 may be able to instruct calibration of the carbon dioxide concentration measurement sensor 140 by remote control to a plurality of connected monitoring posts 100.
- the field data server 200 is connected to the Internet 1 and transmits necessary data to the management server 300 via the Internet. In this system, since the connection to the Internet 1 is concentrated at one place, communication costs can be reduced.
- the field data server 200 may be accessible from an external personal computer through an SSH connection or the like, and may be operated from a remote location.
- the management server 300 is connected to the Internet 1 and receives data from the field data server 200 via the Internet 1. Then, based on the transmitted carbon dioxide ground leakage data, the carbon dioxide ground leakage information is disclosed on the Internet. This makes it possible to disclose information to the public and deepen understanding of the CCS business.
- real-time measurement data can be mapped on a map, etc. so that it can be easily understood by the public.
- the viewer may be able to freely switch and view the display format of the measurement data (graph, numerical value, integrated value, daily rate, year, etc.).
- the carbon dioxide ground leakage monitoring system includes a plurality of monitoring posts 100, a field data server 200, and a management server 300. Between the plurality of monitoring posts 100 and the field data server 200, and The field data server 200 and the management server 300 are each connected by a communication line. Then, the carbon dioxide concentration leaked from the ground by the plurality of monitoring posts 100 is measured, the measured carbon dioxide ground leakage data is transmitted to the field data server 200, and the data transmitted from the plurality of monitoring posts 100 by the field data server 200. Is transmitted to the management server 300. Therefore, by arranging a plurality of monitoring posts 100 in the CCS site 2, real-time multipoint monitoring in a wide range is possible. Further, based on the carbon dioxide ground leakage data transmitted from the field data server 200 by the management server 300, the carbon dioxide ground leakage information is disclosed on the Internet. Therefore, it is possible to provide publicly easy-to-understand information.
- a short-distance wireless transmission is utilized by making a communication line connecting the plurality of monitoring posts 100 and the field data server 200 a mesh type wireless communication network having the plurality of monitoring posts 100 as nodes. Operation with reduced transmission power can be performed.
- movement which suppressed the power consumption can be performed by the several monitoring post 100 measuring the carbon dioxide density
- a plurality of monitoring posts 100 monitor the remaining amount of the installed battery and change the interval operation cycle according to the remaining amount of the battery, so that stable operation can be performed for a long time.
- the field data server 200 can perform an operation with reduced power consumption by instructing a plurality of monitoring posts 100 to change the interval operation interval.
- the carbon dioxide concentration measuring units 120 of the plurality of monitoring posts 100 are constituted by a residence chamber 130, a carbon dioxide concentration measuring sensor 140, and a protective cover 150.
- the residence chamber 130 is a cylindrical top-and-bottom open structure, the lower open part is installed so as to be in close contact with the soil 400, and the carbon dioxide concentration measuring sensor 140 is disposed in the residence chamber 130.
- the concentration of carbon dioxide leaking from the soil 400 and staying in the staying chamber 130 can be measured by the carbon dioxide concentration measuring sensor 140.
- the protective cover 150 is installed so as to cover the periphery of the residence chamber 130 and the vent 154 is provided in the upper part, the carbon dioxide concentration in the residence chamber 130 is not easily affected by wind, rain, snow, etc. Further, carbon dioxide can be appropriately discharged through the vent 154 so that the carbon dioxide does not accumulate too much in the staying chamber 130.
- the field data server 200 can perform more accurate measurement by instructing the plurality of monitoring posts 100 to calibrate the carbon dioxide concentration measurement sensor 140.
- the management server 300 may be arranged at the same location as the field data server 200 instead of at a remote location.
Abstract
Description
2 CCSサイト
3 端末
4 端末
5 端末
100 モニタリングポスト
110 電装部
111 太陽電池
112 電源コントロール回路
113 バッテリー
114 無線回路
115 無線インターフェース回路
116 データ収集回路
120 測定部
130 滞留チャンバー
140 二酸化炭素濃度測定センサ
150 防護カバー
151 本体部
152 笠部
153 防風材
154 通気口
200 フィールドデータサーバ
201 データ一括収集装置
202 無線回路
300 管理サーバ
Claims (7)
- 複数のモニタリングポストと、フィールドデータサーバと、管理サーバとを有する二酸化炭素地上漏洩監視システムであって、
前記複数のモニタリングポストと前記フィールドデータサーバとの間及び前記フィールドデータサーバと前記管理サーバとの間が各々通信回線により接続されており、
前記複数のモニタリングポストは、地上漏洩した二酸化炭素濃度を測定して、測定した二酸化炭素地上漏洩データを前記フィールドデータサーバに送信し、
前記フィールドデータサーバは、前記複数のモニタリングポストから送信されたデータを前記管理サーバに送信し、
前記管理サーバは、前記フィールドデータサーバから送信された二酸化炭素地上漏洩データに基づいて、二酸化炭素地上漏洩情報をインターネット上に公開することを特徴とする二酸化炭素地上漏洩監視システム。 - 前記複数のモニタリングポストと前記フィールドデータサーバとの間を接続する通信回線が、前記複数のモニタリングポストをノードとしたメッシュ型の無線通信ネットワークであることを特徴とする請求項1に記載の二酸化炭素地上漏洩監視システム。
- 前記複数のモニタリングポストは、地上漏洩した二酸化炭素濃度をインターバル運転により測定することを特徴とする請求項1に記載の二酸化炭素地上漏洩監視システム。
- 前記複数のモニタリングポストは、装備されたバッテリーの残量を監視し、バッテリーの残量に応じて前記インターバル運転の周期を変更することを特徴とする請求項3に記載の二酸化炭素地上漏洩監視システム。
- 前記フィールドデータサーバは、前記複数のモニタリングポストに対して、前記インターバル運転の周期の変更を指示することを特徴とする請求項3に記載の二酸化炭素地上漏洩監視システム。
- 前記複数のモニタリングポストの二酸化炭素濃度測定部は、滞留チャンバーと、二酸化炭素濃度測定センサと、防護カバーとから構成されており、
前記滞留チャンバーは、筒状の上下開放構造であって、下側開放部が土壌に密着するように設置されており、
前記二酸化炭素濃度測定センサは、前記滞留チャンバー内に配置されており、
前記防護カバーは、前記滞留チャンバーの周囲を覆うように設置され、上部に通気口が設けられていることを特徴とする請求項1に記載の二酸化炭素地上漏洩監視システム。 - 前記フィールドデータサーバは、前記複数のモニタリングポストに対して、前記二酸化炭素濃度測定センサのキャリブレーションを指示することを特徴とする請求項6に記載の二酸化炭素地上漏洩監視システム。
Priority Applications (4)
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AU2014383919A AU2014383919B8 (en) | 2014-03-20 | 2014-03-20 | Carbon dioxide ground leakage monitoring system |
PCT/JP2014/057713 WO2015140981A1 (ja) | 2014-03-20 | 2014-03-20 | 二酸化炭素地上漏洩監視システム |
CA2902689A CA2902689C (en) | 2014-03-20 | 2014-03-20 | Carbon dioxide ground leakage monitoring system |
US14/772,065 US20160131624A1 (en) | 2014-03-20 | 2014-03-20 | Carbon dioxide ground leakage monitoring system |
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PCT/JP2014/057713 WO2015140981A1 (ja) | 2014-03-20 | 2014-03-20 | 二酸化炭素地上漏洩監視システム |
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AU (1) | AU2014383919B8 (ja) |
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- 2014-03-20 AU AU2014383919A patent/AU2014383919B8/en not_active Ceased
- 2014-03-20 CA CA2902689A patent/CA2902689C/en not_active Expired - Fee Related
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CN116265891B (zh) * | 2023-01-10 | 2023-08-29 | 北京科技大学 | 二氧化碳驱油封存工程的地质渗漏平面监测方法及装置 |
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AU2014383919B2 (en) | 2017-02-16 |
US20160131624A1 (en) | 2016-05-12 |
AU2014383919A1 (en) | 2015-10-08 |
AU2014383919B8 (en) | 2017-03-16 |
AU2014383919A8 (en) | 2017-03-16 |
CA2902689A1 (en) | 2015-09-20 |
CA2902689C (en) | 2017-12-05 |
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